Question

What is the value of x in this equation? Enter your answer in the box.

(2.4 x 10^3) x (3 x 10^x) = 7.2 x 10^9

Answer 1

6

Explanation:

(2.4×10³)×(3×10^x)=7.2×10^9

(3x10^x)=(7.2×10^9)/(2.4×10^3)

3×10^x=3×10^6

10^x=10^6

*when bases are same ,powers are equated*

thus x=6